Zzzzz’s…how many do you really need?
It depends on your age, of course, but in general, adults need at least seven hours of sleep daily. Children need more. In fact, newborns sleep up to 17 hours a day. And your teenager—the one who seems to sleep the day away? He really does need eight to 10 hours of sleep to support his growing body.
Sleep Is Important…and We’re Not Getting Enough
Sleep deprivation is a serious public health problem. Roughly one out of three adults does not get at least seven hours of sleep each night. Insufficient sleep can affect all aspects of your life and raise your risk for serious disease. It can even be deadly. Here are a few ways sleep deprivation can be harmful:
• Heart disease. Sleep helps your body repair the wear and tear on your heart and blood vessels. When you don’t get enough sleep, it raises your risk for heart disease, high blood pressure and stroke.
• Diabetes. Lack of sleep can lead to higher-than-normal blood glucose (sugar) levels, increasing your risk for type 2 diabetes, which, in turn, raises your risk for heart disease.
• Immune dysfunction. Without a robust immune system, you can’t properly fight infection and prevent disease, and without adequate sleep, your immune system can’t do its job.
• Obesity. Sleep deficiency can lead to obesity, which is a risk factor for heart disease, diabetes and sleep apnea which also raises your risk for heart disease and diabetes.
• Injury and accidents. Sleep deprivation can lead to deadly accidents and mistakes. Driver sleepiness plays a role in about 100,000 car accidents each year. Furthermore, several national catastrophes, including the Exxon Valdez oil spill, the Three Mile Island nuclear accident and the Challenger spaceship explosion are all attributed, at least in part, to sleep deprivation.
Unfortunately, sleep disorders are common. However, they are also very treatable once you are correctly diagnosed. The most common sleep disorders are insomnia and sleep apnea.
Insomnia: Insomnia—the inability to fall, or stay, asleep—is the most common sleep problem in those 60 and older. Treatments for insomnia include nonmedical approaches (for example, cognitive behavioral therapy and relaxation training) as well as medications.
Sleep apnea: If you snore and make gasping or choking noises during sleep, you may have obstructive sleep apnea, a disorder in which you momentarily stop breathing—sometimes many times per night—because of blocked airways. Nearly 24 million Americans have sleep apnea, many of them undiagnosed. People with sleep apnea wake up feeling tired and struggle with fatigue and difficulty concentrating. Once properly diagnosed, sleep apnea is treatable.
How many hours of sleep do you need each day?
• Newborns: 14—17
• Infants (4—12 months): 12—16
• Toddlers (1—2 years): 11—14
• Preschoolers (3—5 years): 10—13
• School Age (6—12 years): 9—12
• Teens: 8—10
• Adults: at least 7
Don’t compromise your health! If you have trouble sleeping, talk to your primary care provider, who may refer you to a board-certified sleep specialist (a doctor with special training in sleep disorders) or recommend an in-lab or at-home sleep study to diagnose sleep apnea.
St. Luke's Hospital is an independent, nonprofit healthcare provider committed to improving the quality of life for its patients and the community. Since its founding in 1866, St. Luke's has grown from a single hospital location to an advanced network of care. It provides personalized healthcare services in over 60 specialty areas at its 493-bed hospital in Chesterfield, Mo. and 143-bed St. Luke's Des Peres Hospital. It also offers more than 30 other locations across the greater St. Louis area, bringing quality healthcare services close to home. St. Luke's is nationally-recognized for quality care and consistently earns high patient satisfaction scores. In St. Louis, St. Luke's is the exclusive alliance provider for the nation's No. 1 heart hospital, Cleveland Clinic's Heart & Vascular Institute.
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